<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script>
		 var a="java";
		 a=a.concat("script");
		 a+="is good";
		 alert(a);
		 a=a.big();
		 alert(a);
		 var s2=String.fromCharCode(65,66,97,105,21016);
		 alert(s2);
		 var s3="老刘手机号13875543233，老李手机1394848844雯子闻手机号18048484848";
		 var a4=s3.split(/\d+/);
		 alert(a4);
		</script>
	</head>
	<body>
	</body>
</html>
